Best Hardware Monitoring Software in 2026
Updated
In short: Paessler PRTG Network Monitor is ranked #1 of 58 as of 4 October 2026, ahead of Netdata and ManageEngine OpManager. The best-ranked option with a free plan is Netdata. The lowest first paid tier on this page is Centreon at €0.19/mo.
Hardware monitoring software helps you track device sensors and consider how readings, alerts and remote visibility fit the systems you oversee. Compared on alert channels, custom sensor support, monitored device limit and sensor history, the entries show different aspects of monitoring scope and configuration. Remote monitoring and supported platforms help you assess where readings can be accessed; free-plan availability and paid-from pricing provide cost context. Paessler PRTG Network Monitor, Netdata and ManageEngine OpManager are among the options to weigh. Compare the listed capabilities with the hardware you need to monitor and how you want to receive alerts or review sensor history.
58 hardware monitoring software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
58ranked
18free plans on this page
€0.19/molowest paid tier
4 Oct 2026last checked
Input list Hardware Monitoring Software 25 channels on this page · 83 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromSupported platformsRemote monitoringMonitored device limitSensor historyAlert channelsCustom sensor support Spec sheet Score
01 Paessler PRTG Network Monitor Free planYesPaid from$200/moSupported platformsnot statedRemote monitoringnot statedMonitored device limit50 devicesSensor historynot statedAlert channelsemail, sms, webhook, mobileCustom sensor supportnot stated 4/8spec lines stated 8.0
02 Netdata Free planYesPaid from$4.5/moSupported platformsnot statedRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 2/8spec lines stated 7.9
03 ManageEngine OpManager Free planYesPaid fromnot statedSupported platformsnot statedRemote monitoringnot statedMonitored device limit10 devicesSensor historynot statedAlert channelsemail, sms, webhook, mobileCustom sensor supportnot stated 3/8spec lines stated 7.8
04 NetXMS Free planYesPaid fromnot statedSupported platformsWindows, macOS, Linux, FreeBSD, Solaris, AIX, HP-UX, webRemote monitoringYesMonitored device limitnot statedSensor historynot statedAlert channelsEmail, SMS, Telegram, Microsoft Teams, SlackCustom sensor supportYes 5/8spec lines stated 7.8
05 Centreon Free planYesPaid fromnot statedSupported platformsnot statedRemote monitoringnot statedMonitored device limit125 devicesSensor historynot statedAlert channelsemailCustom sensor supportnot stated 3/8spec lines stated 7.7
06 Checkmk Free planYesPaid fromnot statedSupported platformsnot statedRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 1/8spec lines stated 7.6
07 Pokesensor Free planYesPaid from$5/moSupported platformsWindows 10/11, macOS 12+, LinuxRemote monitoringYesMonitored device limitnot statedSensor history1 daysAlert channelsDesktop notificationsCustom sensor supportnot stated 6/8spec lines stated 7.3
08 Glances Free plannot statedPaid fromnot statedSupported platformsLinux, BSD, macOS, Windows, Android, Web, API, self-hostedRemote monitoringYesMonitored device limitnot statedSensor historynot statedAlert channelsscript/command actionsCustom sensor supportnot stated 3/8spec lines stated 7.2
09 HWMonitor Free planYesPaid fromnot statedSupported platformswindows, androidRemote monitoringYesMonitored device limit10 devicesSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 4/8spec lines stated 7.2
10 Nagios XI Free planYesPaid fromnot statedSupported platformsnot statedRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 1/8spec lines stated 7.2
11 smartmontools Free planYesPaid fromnot statedSupported platformsLinux, FreeBSD, NetBSD, OpenBSD, macOS, Solaris, Windows, Cygwin, OS/2, eComStation, QNXRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 2/8spec lines stated 7.2
12 Zabbix Free planYesPaid from$50/moSupported platformsnot statedRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 2/8spec lines stated 7.2
13 LibreNMS Free planYesPaid fromnot statedSupported platformsnot statedRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsemail, webhook, mobileCustom sensor supportnot stated 2/8spec lines stated 7.1
14 PA File Sight Free planYesPaid fromnot statedSupported platformsWindows, Linux, iOS, Android, self-hosted, APIRemote monitoringYesMonitored device limit1 devicesSensor historynot statedAlert channelsEmail, SMS, PagerDuty, Syslog, HTTP URL, desktop notifications, SNMP traps, phone/SMS dialerCustom sensor supportYes 6/8spec lines stated 7.1
15 Supermicro SuperDoctor 5 Free planYesPaid fromnot statedSupported platformsWindows, LinuxRemote monitoringYesMonitored device limitnot statedSensor historynot statedAlert channelsEmail, SNMP traps, log fileCustom sensor supportYes 5/8spec lines stated 7.1
16 Core Temp Free planYesPaid fromnot statedSupported platformsWindowsRemote monitoringYesMonitored device limitnot statedSensor historynot statedAlert channelsWindows Event Log; system tray notificationsCustom sensor supportnot stated 4/8spec lines stated 6.9
17 GKrellM Free planYesPaid fromnot statedSupported platformsLinux, FreeBSD, Mac OS X, NetBSD, OpenBSD, WindowsRemote monitoringYesMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportYes 4/8spec lines stated 6.9
18 Macs Fan Control Free planYesPaid fromnot statedSupported platformsmacOS, Windows via Boot CampRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 2/8spec lines stated 6.9
19 LogicMonitor Free planNoPaid fromnot statedSupported platformsnot statedRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 1/8spec lines stated 6.7
20 NVIDIA Data Center GPU Manager Free plannot statedPaid fromnot statedSupported platformsLinux on x86 64 and aarch64 (sbsa); bare-metal or full-passthrough virtualized environmentsRemote monitoringYesMonitored device limitnot statedSensor historynot statedAlert channelsconsole, file, callbackCustom sensor supportYes 4/8spec lines stated 6.7
21 HWiNFO Free planYesPaid fromnot statedSupported platformsWindows, DOSRemote monitoringYesMonitored device limit5 devicesSensor historynot statedAlert channelsnot statedCustom sensor supportYes 5/8spec lines stated 6.6
22 Site24x7 Hardware Monitoring Free plannot statedPaid from$9/moSupported platformsweb, Windows, Linux, iOS, Android, APIRemote monitoringYesMonitored device limitnot statedSensor history30 daysAlert channelsemail, SMS, voice call, push notificationsCustom sensor supportYes 6/8spec lines stated 6.5
23 AccuBattery Free planYesPaid fromnot statedSupported platformsAndroidRemote monitoringnot statedMonitored device limitnot statedSensor history1 daysAlert channelsAndroid notification; in-app charge alarmCustom sensor supportnot stated 4/8spec lines stated 6.4
24 Argus Monitor Free planNoPaid fromnot statedSupported platformswindowsRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 2/8spec lines stated 6.4
25 GSam Battery Monitor Free planYesPaid fromnot statedSupported platformsandroidRemote monitoringnot statedMonitored device limitnot statedSensor historynot statedAlert channelsnot statedCustom sensor supportnot stated 2/8spec lines stated 6.3
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which hardware monitoring software is ranked first on Specifiction?
Paessler PRTG Network Monitor is ranked #1 of 58 with a score of 8.0. Netdata is second and ManageEngine OpManager third.
How many of these have a free plan?
18 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Centreon has the lowest first paid tier we found: €0.19/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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